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Volume 38 Issue 3
Mar.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  (3): 335-339.
Sun Wenchao, Chang Qing, Xu Yong, et al. Analysis and correction on relativistic effect of inter-satellites using dual one-way ranging/time synchronization[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (3): 335-339. (in Chinese)
Citation: Sun Wenchao, Chang Qing, Xu Yong, et al. Analysis and correction on relativistic effect of inter-satellites using dual one-way ranging/time synchronization[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (3): 335-339. (in Chinese)
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Analysis and correction on relativistic effect of inter-satellites using dual one-way ranging/time synchronization

  • School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 30 Nov 2010
  • Publish Date: 30 Mar 2012
    Abstract
  • The calculation of dual one-way ranging/time synchronization (DOWRT) between dynamic satellites was analyzed. In addition, relativistic effect on ranging/time synchronization was presented. A calculation with relativistic correction of DOWRT was proposed. Measurement errors of ranging/time synchronization in low earth orbit(LEO) formation constellation and in navigation constellation caused by relativistic effect were simulated and comparatively analyzed. Simulation results demonstrate that when inter-satellite DOWRT method is adopted, ranging measurement and time synchronization errors during LEO formation flying caused by relativistic effects are in meter-scale and sub-picosecond level respectively, while in navigation constellation measurement, the corresponding errors would be in hundred-meter scale and microsecond level. As a result, relativistic correction should be included in order to realize high-precision ranging and time synchronization measurement between navigation satellites.

     

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